Removed unused get_queryset methods
Removed unused get_queryset methods

Thanks to @chosak for spotting. I also removed these methods from
EditView and DeleteView as they weren't being used there.

rsalmaso/wagtail,gasman/wagtail,FlipperPA/wagtail,rsalmaso/wagtail,zerolab/wagtail,gasman/wagtail,nimasmi/wagtail,mixxorz/wagtail,mixxorz/wagtail,thenewguy/wagtail,jnns/wagtail,zerolab/wagtail,wagtail/wagtail,kaedroho/wagtail,takeflight/wagtail,thenewguy/wagtail,wagtail/wagtail,timorieber/wagtail,torchbox/wagtail,rsalmaso/wagtail,thenewguy/wagtail,wagtail/wagtail,nealtodd/wagtail,mikedingjan/wagtail,wagtail/wagtail,torchbox/wagtail,zerolab/wagtail,jnns/wagtail,zerolab/wagtail,mixxorz/wagtail,mixxorz/wagtail,gasman/wagtail,rsalmaso/wagtail,zerolab/wagtail,mikedingjan/wagtail,nimasmi/wagtail,nealtodd/wagtail,kaedroho/wagtail,takeflight/wagtail,jnns/wagtail,nimasmi/wagtail,thenewguy/wagtail,nimasmi/wagtail,jnns/wagtail,torchbox/wagtail,gasman/wagtail,takeflight/wagtail,kaedroho/wagtail,mixxorz/wagtail,timorieber/wagtail,FlipperPA/wagtail,takeflight/wagtail,kaedroho/wagtail,thenewguy/wagtail,rsalmaso/wagtail,torchbox/wagtail,wagtail/wagtail,nealtodd/wagtail,nealtodd/wagtail,mikedingjan/wagtail,gasman/wagtail,kaedroho/wagtail,FlipperPA/wagtail,timorieber/wagtail,timorieber/wagtail,FlipperPA/wagtail,mikedingjan/wagtail